2431408 has 40 divisors (see below), whose sum is σ = 5704992. Its totient is φ = 979968.

The previous prime is 2431393. The next prime is 2431409. The reversal of 2431408 is 8041342.

It is not an unprimeable number, because it can be changed into a prime (2431409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266 + ... + 2542.

2^2431408 is an apocalyptic number.

2431408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2431408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2852496).

2431408 is an abundant number, since it is smaller than the sum of its proper divisors (3273584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431408 is a wasteful number, since it uses less digits than its factorization.

2431408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2431408 is about 1559.2972776222. The cubic root of 2431408 is about 134.4681037119.

The spelling of 2431408 in words is "two million, four hundred thirty-one thousand, four hundred eight".